321E.22  Service of process.
  Service of such process shall be made by serving a copy upon or filing a copy in the office of the secretary of state. The service shall be sufficient service upon the person if notice of the service and a copy of the process are within ten days sent by registered mail by the department general counsel to the permit holder at the last known address of said permit holder. An affidavit of compliance therewith of the department general counsel shall be appended to the summons. The issuing authority may order such continuances as may be necessary to afford the permit holder reasonable opportunity to defend the action. The secretary of state shall keep a record of all such processes which shall show the day and hour of such service.
[C71, 73, 75, 77, 79, 81, §321E.22]